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EuroLinux Linux distribution capabilities and limits

This document describes the technology capabilities and limits for EuroLinux 6, 7, 8. Some are theoretical, as they are connected with source code/projects used in the system. Minimal limits represent limits for the systems for which support is generally available by the EuroLinux company. Our dedicated solutions like:

  • system rebuilds with Gaia build stack
  • EuroLinux container images
  • EuroLinux cloud images
  • EuroLinux for edge computing
  • EuroLinux ARM 64 for IoT
  • containers running on the EuroLinux container platform or any other Kubernetes-based platform

might run and be supported on the less resources than described in this document.

The theoretical limit (connected with a version of the software used) is marked as (LIMIT), when limit supported and tested by upstream is provided as default for EuroLinux. TBA means - To Be Announced.

Minimum logical CPU

All systems, physical or virtual, require at minimum 1 logical (physical or virtual) CPU core.

Maximum logical CPU

Architecture EuroLinux 6 EuroLinux 7 EuroLinux 8 EuroLinux 9
x86_64 448 (4096) 768 (5120) 768 (8192) TBA
ARM64 X X 256 TBA

Minimum memory

These requirements are only for systems supported as VMs or Physical hosts. In most cases, it's possible to run a system without complications on less memory. The minimum requirements have been provided below because it might not be possible to support systems with less memory.

Architecture EuroLinux 6 EuroLinux 7 EuroLinux 8 EuroLinux 9
x86_64 Minimum 1 GiB, 1 GiB per logical core is recommended Minimum 1 GiB, 1 GiB per logical core is recommended Minimum 1 GiB, 1.5 GiB per logical core is recommended minimum 2 GiB, 1.5 GiB per logical core is recommended
ARM64 X X 2GiB 2GiB

Maximum memory

Architecture EuroLinux 6 EuroLinux 7 EuroLinux 8 EuroLinux 9
x86_64 12TB (64TB) 12TB (64TB) 24TB (64TB) TBA
ARM64 X X 1.5TB (256TB) TBA

Minimum required disk space

EuroLinux 6 EuroLinux 7 EuroLinux 8 EuroLinux 9
1Gib Minimum, 5GiB recommended 5 GiB Minimum, 20 GiB recommended 10 GiB Minimum, 20 GiB recommended 10 GiB Minimum, 20 GiB recommended

File systems and storage limits

All filesystems in this document support ACL (Access Control List).

Ext3

Ext3 is mostly a legacy filesystem. Please use Ext4 or XFS.

Feature EuroLinux 6 EuroLinux 7 EuroLinux 8 EuroLinux 9
Maximum File Size 2TiB 2TiB 2TiB 2TiB
Maximum Filesystem Size 16TiB 16TiB 16TiB 16TiB
Maximum Subdirectories or files in directory 32000 32000 32000 32000
Maximum symlink depth 8 8 8 8

Ext4

Ext4 is the default filesystem for EuroLinux 6.

Feature EuroLinux 6 EuroLinux 7 EuroLinux 8 EuroLinux 9
Maximum File Size 16TiB 16TiB 16TiB 16TiB
Maximum Filesystem Size 1EiB 1EiB 1EiB 1EiB
Maximum Subdirectories or files in directory 65000/unlimited with dir_nlink option 65000/unlimited with dir_nlink option 65000/unlimited with dir_nlink option 65000/unlimited with dir_nlink option
Maximum symlink depth 8 8 8 8

XFS

XFS is the default filesystem for in EuroLinux 7, 8 and 9.

Feature EuroLinux 6 EuroLinux 7 EuroLinux 8 EuroLinux 9
Maximum File Size 8EiB 8EiB 8EiB 8EiB
Maximum Filesystem Size 16EiB 16EiB 1PiB 1PiB
Maximum Subdirectories or files in directory unlimited unlimited unlimited unlimited
Maximum symlink depth 8 8 8 8

GFS2

Global Filesystem 2 is part of EuroLinux Resilient Storage and High Availability add-ons that are freely available with subscription or free available in the Open Core model.

Feature EuroLinux 6 EuroLinux 7 EuroLinux 8 EuroLinux 9
Maximum File Size 8EiB 8EiB 8EiB 8EiB
Maximum Filesystem Size 8EiB 8EiB 8EiB 8EiB
Maximum Subdirectories or files in directory unlimited unlimited unlimited unlimited
Maximum symlink depth unlimited unlimited unlimited unlimited

Kernel and the most important components versions

Feature EuroLinux 6 EuroLinux 7 EuroLinux 8 EuroLinux 9
Base Linux Kernel version 2.6.34 3.10 4.18 5.14
Package Management RPM/Yum RPM/Yum RPM/Dnf, Flatpak RPM/Dnf, Flatpak
System Init Upstart systemd systemd systemd
Base GNU C Library (glibc) Version 2.12 2.17 2.28 2.34
Base (First) GCC version 4.4.7 4.8.5 8.2.1 (updated in newer versions) 11.2.1 (might be updated in the future)
Base (First) LLVM version X X 7.0.1 (updated in newer versions) 13.0.0 (might be updated in the future)
Default Desktop Gnome 2 Gnome 3 Gnome 3 Gnome 40
Office Suite LibreOffice LibreOffice LibreOffice LibreOffice
Default Web Browser Firefox Firefox Firefox Firefox
Default Mail Client Thunderbird Evolution or Thunderbird Evolution or Thunderbird Evolution or Thunderbird